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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
// base classes
import com.sun.star.uno.UnoRuntime;
import com.sun.star.bridge.XUnoUrlResolver;
import com.sun.star.lang.XMultiServiceFactory;
/** @descr This class establishes a connection to a LibreOffice application.
*/
public class OfficeConnection
{
public OfficeConnection (int nPortNumber)
{
mnDefaultPort = nPortNumber;
connect ();
}
/** @descr Return the service manager that represents the connected
LibreOffice application
*/
public XMultiServiceFactory getServiceManager ()
{
if ( ! mbInitialized)
connect ();
return maServiceManager;
}
/** @descr Return a flag that indicates if the constructor has been able to
establish a valid connection.
*/
public boolean connectionIsValid ()
{
return getServiceManager() != null;
}
/** @descr Connect to an already running LibreOffice application.
*/
private void connect ()
{
connect (msDefaultHost, mnDefaultPort);
}
private void connect (String hostname)
{
connect (hostname, mnDefaultPort);
}
/** @descr Connect to a already running LibreOffice application that has
been started with a command line argument like
"--accept=socket,host=localhost,port=5678;urp;"
*/
private void connect (String hostname, int portnumber)
{
mbInitialized = true;
// Set up connection string.
String sConnectString = "uno:socket,host=" + hostname + ",port=" + portnumber
+ ";urp;StarOffice.ServiceManager";
// connect to a running office and get the ServiceManager
try
{
// Create a URL Resolver.
XMultiServiceFactory aLocalServiceManager =
com.sun.star.comp.helper.Bootstrap.createSimpleServiceManager();
XUnoUrlResolver aURLResolver = UnoRuntime.queryInterface (
XUnoUrlResolver.class,
aLocalServiceManager.createInstance ("com.sun.star.bridge.UnoUrlResolver")
);
maServiceManager = UnoRuntime.queryInterface (
XMultiServiceFactory.class,
aURLResolver.resolve (sConnectString)
);
}
catch (Exception e)
{
MessageArea.println ("Could not connect with " + sConnectString + " : " + e);
MessageArea.println ("Please start LibreOffice with "
+ "\"--accept=socket,host=localhost,port=5678;urp;\"");
}
}
private int mnDefaultPort = 5678;
private final String msDefaultHost = "localhost";
private XMultiServiceFactory maServiceManager = null;
/** A value of true just indicates that it has been tried to establish a connection,
not that that has been successful.
*/
private boolean mbInitialized = false;
}
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